metrics_hashes.h 791 B

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  1. // Copyright 2014 The Chromium Authors. All rights reserved.
  2. // Use of this source code is governed by a BSD-style license that can be
  3. // found in the LICENSE file.
  4. #ifndef BASE_METRICS_METRICS_HASHES_H_
  5. #define BASE_METRICS_METRICS_HASHES_H_
  6. #include <stdint.h>
  7. #include "base/base_export.h"
  8. #include "base/strings/string_piece.h"
  9. namespace base {
  10. // Computes a uint64_t hash of a given string based on its MD5 hash. Suitable
  11. // for metric names.
  12. BASE_EXPORT uint64_t HashMetricName(base::StringPiece name);
  13. // Computes a uint32_t hash of a given string based on its MD5 hash. This
  14. // can be more suitable for contexts where memory use is a concern.
  15. BASE_EXPORT uint32_t HashMetricNameAs32Bits(base::StringPiece name);
  16. } // namespace base
  17. #endif // BASE_METRICS_METRICS_HASHES_H_